Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Pointer light tracking method, program, and recording medium thereof










Image Number 12 for United States Patent #8049721.

A pointer light tracking method wherein all black image and white square images located at four corners of the all black image are projected on the display, the display on which the all black image and the white square images are displayed is shot by a camera, a domain corresponding to the white square image is extracted from the obtained image data, central coordinates (x, y) of the extracted domain are computed, and a parameter necessary in performing distortion correction by use of projection conversion for coordinate expressing the position of the pointer light on the display is computed from the computed central coordinates (x, y) and central coordinates (X, Y) of the white square image.








 
 
  Recently Added Patents
Error correct coding device, error correct coding method, and error correct coding program
(4937
Clock face
Portable stand
Electronic component and a system and method for producing an electronic component
Method for growing group III-nitride crystals in supercritical ammonia using an autoclave
Emulsions containing arylboronic acids and medical articles made therefrom
  Randomly Featured Patents
Phase change random access memory device
Mandrel for hose type catheters and body probes
Pilot pin-locking device in drilling machines
Coding sequence for protein phosphatase methylesterase, recombinant DNA molecules and methods
Ladder leveler
Tubular ovality testing
CCD Comb filter and demodulator
File system having transaction record coalescing
Turbine blade cooling
Copper-base alloys containing chromium, niobium and zirconium